Chapter 5: Functions & Pointers 159main( ){ message( ) ; printf ( nCry, and you stop the monotony! ) ;}message( ){ printf ( nSmile, and the world smiles with you... ) ;}And here???s the output...Smile, and the world smiles with you...Cry, and you stop the monotony!Here, main( ) itself is a function and through it we are calling thefunction message( ).